Which of these contain a single long dna molecule? a)gene b)nucleotide c)chromosone d)deoxyribose

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: